<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>登陆</title>
</head>
<body>
<form action="ff/f/aa">
用户名 <input name="username" type="text">
<br>
密码&nbsp;&nbsp;<input name="pwd" type="password" >
<br>
<input type="submit" value="提交">

</form>
</body>
</html>